Home / 40,057.70-55,274.67-22,153.05

Finding the Fourth Proportional to 40,057.70, 55,274.67 and 22,153.05

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Solution

The fourth proportional to 40,057.70, 55,274.67 and 22,153.05 is: 30,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,057.70 : 55,274.67 = 22,153.05 : x
  2. Step 2: Convert to fraction form
    40,057.70/55,274.67 = 22,153.05/x
  3. Step 3: Cross multiply
    40,057.70x = 55,274.67 × 22,153.05
  4. Step 4: Simplify right side
    40,057.70x = 1,224,502,528.24
  5. Step 5: Solve for x
    x = 1,224,502,528.24/40,057.70
  6. Step 6: Final answer
    x = 30,568.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.